The ornamental design for a post lighting fixture, as shown and described.

Description

FIG. 1 is a front, left side perspective view of a post lighting fixture showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof, the left elevational view and the right elevationaal view being identical to the rear elevational view;

FIG. 6 is a fragmentary front elevational view of a second embodiment of my new design;

FIG. 7 is a top plan view thereof;

FIG. 8 is a fragmentary front elevational view of a third embodiment of my new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a fragmentary front elevational view of a fourth embodiment of my new design; and,

FIG. 11 is a top plan view thereof.

The second, third, and fourth embodiments are fragmentarily shown for convenience of illustration, it being understood that these embodiments differ from the first embodiment only in the configuration of the top cap.